Apr
23
Posted on 23-04-2007
Filed Under (Debian & Ubuntu) by Arun Bagul

Introduction –

Why we need to change MAC address? On one of our proxy server which is directly connected to internet. Due to some reason I have to assign MAC address to one of the Interface eth0! My ISP want unique MAC address to interface which is connected to there service.

Set MAC address to interface manually –

step(1) Edit the /etc/network/interfaces file. to modify the interface configuration on Ubuntu or Debian system…

root@arunbagul:~# vi /etc/network/interfaces
root@arunbagul:~#

See your network interface conf file. If you have dhcp enabled, it will look like this…

root@arunbagul:~# cat /etc/network/interfaces

auto lo
iface lo inet loopback

auto eth0
iface eth0 inet dhcp

root@arunbagul:~#

step(2) Now specify the MAC address as shown below…

root@arunbagul:~# cat /etc/network/interfaces

auto lo
iface lo inet loopback

auto eth0
iface eth0 inet dhcp
hwaddress ether 01:06:03:04:0B:06

root@arunbagul:~#

step(3) Now restart your network service –

root@arunbagul:~# /etc/init.d/networking restart
* Reconfiguring network interfaces…
There is already a pid file /var/run/dhclient.eth0.pid with pid 4440
killed old client process, removed PID file

…..

DHCPACK from 192.168.1.10
bound to 192.168.1.89 — renewal in 3110 seconds.
[ OK ]
root@arunbagul:~#

step(4) macchanger – is the tool available for Ubuntu to change the MAC address –

How to install macchanger ?

root@arunbagul:~# apt-get install macchanger
Reading package lists… Done
Building dependency tree

…..
Setting up macchanger (1.5.0-1) …

root@arunbagul:~#

step(5) How to use this –

root@arunbagul:~# macchanger eth0
root@arunbagul:~#

Cheers,
Arun Bagul

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Comments

Gabreann on 18 May, 2010 at 11:58 pm #

Hi Nice Design! The type is also very neat,lucy


Joe on 22 June, 2012 at 12:27 pm #

yeah you can use macchanger to change your mac address automatically changing mac address as well as creating it manually. First automatically
sudo ifconfig eth0 down
sudo macchanger -r eth0
sudo ifconfig eth0 up
Manually
sudo ifconfig eth0 down
sudo macchanger -m 00:00:00:00:00:00
sudo ifconfig eth0 up
Don’t forget to install macchanger ie
sudo apt-get install macchanger


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